linux/drivers/scsi/fnic/vnic_cq.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
 */
#ifndef _VNIC_CQ_H_
#define _VNIC_CQ_H_

#include "cq_desc.h"
#include "vnic_dev.h"

/*
 * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
 * Driver) when both are built with CONFIG options =y
 */
#define vnic_cq_service …
#define vnic_cq_free …
#define vnic_cq_alloc …
#define vnic_cq_init …
#define vnic_cq_clean …

/* Completion queue control */
struct vnic_cq_ctrl { … };

struct vnic_cq { … };

static inline unsigned int vnic_cq_service(struct vnic_cq *cq,
	unsigned int work_to_do,
	int (*q_service)(struct vnic_dev *vdev, struct cq_desc *cq_desc,
	u8 type, u16 q_number, u16 completed_index, void *opaque),
	void *opaque)
{ … }

void vnic_cq_free(struct vnic_cq *cq);
int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index,
	unsigned int desc_count, unsigned int desc_size);
void vnic_cq_init(struct vnic_cq *cq, unsigned int flow_control_enable,
	unsigned int color_enable, unsigned int cq_head, unsigned int cq_tail,
	unsigned int cq_tail_color, unsigned int interrupt_enable,
	unsigned int cq_entry_enable, unsigned int message_enable,
	unsigned int interrupt_offset, u64 message_addr);
void vnic_cq_clean(struct vnic_cq *cq);

#endif /* _VNIC_CQ_H_ */